TPMS System Initialization Required
2020-2024 Citroën C4 Electric 🇩🇪
Description
The TPMS system requires sensor initialization/relearn after tire rotation, sensor replacement, or wheel service.
Symptoms
- TPMS warning light on
- Tire positions showing incorrect locations
- Pressures displayed for wrong wheels
Common Causes
- Tire rotation without TPMS relearn
- Sensor replaced without programming
- Wheels swapped between vehicles
- TPMS reset not performed after service
Diagnostic Steps
- Perform TPMS sensor relearn procedure
- Use TPMS tool to trigger each sensor in order
- Follow vehicle-specific relearn procedure
- Verify all sensors are registered
Repair Notes
Perform TPMS relearn/initialization procedure per manufacturer instructions after any tire service.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B1020 on Other Vehicles
Citroën Ami
2020-2025 Electric 5.5kWh
Citroën Berlingo
2018-2024 1.2L I3 PureTech
Citroën Berlingo
2018-2024 1.5L I4 BlueHDi
Citroën Berlingo
2018-2025 1.2L I3 Turbo PureTech 110
Citroën Berlingo
2018-2025 1.5L I4 Diesel BlueHDi 100
Citroën Berlingo
2021-2025 Electric e-Berlingo 50kWh
Citroën Berlingo III FR
2018-2025 1.2L I3 Turbo PureTech 110
Citroën Berlingo III FR
2018-2025 1.5L I4 Diesel BlueHDi 100
Common Questions
What does code B1020 mean on a 2020-2024 Citroën C4?
B1020 stands for "TPMS System Initialization Required". The TPMS system requires sensor initialization/relearn after tire rotation, sensor replacement, or wheel service.
What are the symptoms of B1020 on a Citroën C4?
Common symptoms of B1020 include: TPMS warning light on, Tire positions showing incorrect locations, Pressures displayed for wrong wheels.
What causes B1020 on a 2020-2024 Citroën C4?
Common causes of B1020 include: Tire rotation without TPMS relearn, Sensor replaced without programming, Wheels swapped between vehicles, TPMS reset not performed after service.